Home / 55,514.52-83,275.56-20,456.64

Finding the Fourth Proportional to 55,514.52, 83,275.56 and 20,456.64

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Solution

The fourth proportional to 55,514.52, 83,275.56 and 20,456.64 is: 30,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,514.52 : 83,275.56 = 20,456.64 : x
  2. Step 2: Convert to fraction form
    55,514.52/83,275.56 = 20,456.64/x
  3. Step 3: Cross multiply
    55,514.52x = 83,275.56 × 20,456.64
  4. Step 4: Simplify right side
    55,514.52x = 1,703,538,151.72
  5. Step 5: Solve for x
    x = 1,703,538,151.72/55,514.52
  6. Step 6: Final answer
    x = 30,686.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.